Python诅咒，在4个pad prefresh（）中拆分终端窗口返回错误

Question

我正在用Python运行一个多处理系统，我计划使用curses将终端窗口划分为4个象限，并在其中一个象限中显示每个进程的输出

因此，最终输出应该如下所示：

--------------------------------
|               |               |
|   PROCESS01   |   PROCESS02   |
|               |               |
---------------------------------
|               |               |
|   PROCESS03   |   PROCESS04   |
|               |               |
---------------------------------

到目前为止，我试着将窗户分成4块，如下所示：

def main():

    screen = curses.initscr()
    cols_tot = curses.COLS
    rows_tot = curses.LINES
    cols_mid = int(0.5*cols_tot)   ## middle point of the window
    rows_mid = int(0.5*rows_tot)

    pad11 = curses.newpad(rows_mid, cols_mid)
    pad12 = curses.newpad(rows_mid, cols_mid)
    pad21 = curses.newpad(rows_mid, cols_mid)
    pad22 = curses.newpad(rows_mid, cols_mid)
    pad11.addstr(0, 0, "*** PROCESS 01 ***")
    pad12.addstr(0, 0, "*** PROCESS 02 ***")
    pad21.addstr(0, 0, "*** PROCESS 03 ***")
    pad22.addstr(0, 0, "*** PROCESS 04 ***")
    pad11.refresh(0,0, 0,0, rows_mid,cols_mid)
    pad12.refresh(0,cols_mid, 0,cols_mid, rows_mid,cols_tot-1)
    pad21.refresh(rows_mid,0, rows_mid,0, cols_tot-1,rows_mid)
    pad22.refresh(rows_mid, cols_mid, rows_mid,cols_mid, rows_tot-1,cols_tot-1)


    curses.napms(3000)
    curses.endwin()


if __name__ == '__main__':
    main()

但我得到了一个错误：

File "screen_show.py", line 78, in <module> main()
                                                                                                          File "screen_show.py", line 46, in main
                                                                                                                                                     pad12.refresh(0,cols_mid, 0,cols_mid, rows_mid,cols_tot-1)
_curses.error: prefresh() returned ERR